Environmental watch
What's in the air, water, and ground around here.
Live environmental OSINT for your community, pulled from public federal feeds — the EPA, the USGS, and the National Weather Service. No account, no tracking; every number links back to its public source. Auto-refreshes about every 30 minutes.
🌎 Environmental watch
Live public data for Santa Cruz · updated 1 hr ago · showing last good readingAir quality
55ModerateUS AQI
PM2.5 11μg/m³PM10 16μg/m³Ozone 91μg/m³NO₂ 2μg/m³
Water monitoring
San Lorenzo R A Santa Cruz Ca · 1.9 km away
10.5 ft3/sStreamflow
1.66 ftGage height
Active alerts
- MinorCoastal Flood Advisory
Earthquakes · 30 days
M3.3strongest within 250 km
3 km ESE of Larkfield-Wikiup, CA
17 quakes ≥ M2.5
Sources: Open-Meteo Air Quality, USGS Water Services, National Weather Service, USGS Earthquake Catalog, EPA National Priorities List. All public, no personal data.
Air quality — full readout
US Air Quality Index 55 (Moderate). Observed Sep 29, 5:00 PM.
10.8 μg/m³PM2.5
16.0 μg/m³PM10
91.0 μg/m³Ozone
2.3 μg/m³NO₂
0.9 μg/m³SO₂
147.0 μg/m³CO
Source: Open-Meteo Air Quality ↗
Water monitoring — nearest site
San Lorenzo R A Santa Cruz Ca · 1.9 km away · 42 sites in range
10.5 ft3/sStreamflow · Sep 30, 12:00 AM
1.66 ftGage height · Sep 30, 12:00 AM
Source: USGS Water Services ↗
Active weather alerts1
MinorCoastal Flood Advisoryuntil Oct 2, 12:00 AM
Coastal Flood Advisory issued September 29 at 2:54PM PDT until October 1 at 5:00PM PDT by NWS San Francisco CA
San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Source: National Weather Service ↗
Earthquakes — last 30 days17
M2.6↗M2.6↗M3.3↗M2.7↗M2.6↗
6 km W of Yountville, CA
Sep 29, 4:06 PM · 162 km away
26 km WSW of Westley, CA
Sep 27, 2:40 PM · 71 km away
27 km WSW of Westley, CA
Sep 27, 2:21 PM · 71 km away
1 km S of Orange Cove, CA
Sep 24, 3:40 PM · 245 km away
2 km NW of Hollister, CA
Sep 23, 4:00 PM · 56 km away
Source: USGS Earthquake Catalog ↗
Superfund sites
99 active EPA Superfund (National Priorities List) sites in CA of 116 ever listed.
Watkins-Johnson Co. (Stewart Division Plant)
Scotts Valley · NPL Site · 9 km away
The state’s energy ledger
What CA’s grid runs on, its EV fleet and charging network, and where its mandate stands — from the national Energy Ledger.
Open the CA energy dossier →Snapshot generated Sep 30, 12:38 AM (showing last good reading while refreshing). All data is public and carries no personal information.